NIB Holdings Ltd. engages in the provision of health and medical insurance. It operates through the following segments: Australian Residents Health Insurance, New Zealand Residents Health Insurance, International (Inbound) Health Insurance, and World Nomads Group. The Australian Residents Health Insurance segment offers product within the Australian private health insurance industry. The New Zealand Residents Health Insurance segment comprises product for the New Zealand private health insurance industry. The International (Inbound) Health Insurance segment includes health insurance products for international students and workers. The World Nomads Group segment refers to distribution of travel insurance products. The company was founded in 1952 and is headquartered in Newcastle, Australia.